Table 1 Search strategies and results obtained for each information source(N = 1,049)

PubMed

(n = 183)

(“hernia, hiatal“[MeSH Terms] OR “hernia hiatal“[Title/Abstract] OR “hernias hiatal“[Title/Abstract] OR “hiatal hernia*“[Title/Abstract] OR “hernia* hiatus“[Title/Abstract] OR “hiatus hernia*“[Title/Abstract] OR “esophageal hernia*“[Title/Abstract] OR “esophagus hiatus“[Title/Abstract] OR “esophageal hiatal hernia“[Title/Abstract] OR “esophageal hiatus“[Title/Abstract] OR “esophagus hernia“[Title/Abstract] OR “paraesophageal hernia*“[Title/Abstract]) AND (“Stomach Volvulus“[MeSH Terms] OR “Stomach Volvulus“[Title/Abstract] OR “Gastric Volvulus“[Title/Abstract] OR “gastric torsion“[Title/Abstract] OR “volvulus stomach“[Title/Abstract] OR “stomach torsion“[Title/Abstract] OR “Acute gastric volvulus“[Title/Abstract] ) AND (“surgical procedures, operative“[MeSH Terms] OR “surgical procedure*“[Title/Abstract] OR “procedure* surgical“[Title/Abstract] OR “operative procedure*“[Title/Abstract] OR “procedure* operative“[Title/Abstract] OR “surgery operative“[Title/Abstract] OR “techniques surgical“[Title/Abstract] OR “operation*“[Title/Abstract] OR “repair operative“[Title/Abstract] OR “surgery resection“[Title/Abstract] OR “intervention surgical“[Title/Abstract] OR “management surgical“[Title/Abstract] OR “repair surgical“[Title/Abstract] OR “therapy surgical“[Title/Abstract] OR “treatment surgery“[Title/Abstract])

Scopus

(n = 110)

TITLE-ABS-KEY ( ( ( “hiatus hernia” OR “hernia, hiatal” OR “hernia, hiatus” OR “hiatal hernia” OR “esophagus hiatus” OR “esophageal hiatal hernia” OR “esophageal hiatus” OR “esophagus hernia” OR “hiatus oesophagus hernia” OR “paraesophageal hernia” ) AND ( “stomach volvulus” OR “gastric torsion” OR “gastric volvulus” OR “stomach torsion” OR “stomach volvulus” OR “acute gastric volvulus” ) ) AND ( “surgical procedures, operative” OR “surgical procedure*” OR “procedure* surgical” OR “operative procedure*” OR “procedures operative” OR “surgery operative” OR “techniques, surgical” OR “operation*” OR “intervention operative” OR “repair operative” OR “surgery resection” OR “correction surgical” OR “surgery, operative” OR “intervention surgical” OR “management surgical” OR “repair surgical” OR “restoration surgical” OR “therapy surgical” OR “treatment surgery” ) )

EMBASE

(n = 514)

(‘hiatus hernia’/exp OR ’hiatus hernia’:ti, ab OR ’hernia, hiatal’:ti, ab OR ’diaphragmatic hernia, esophagus hiatus’:ti, ab OR ’esophageal hiatal hernia’:ti, ab OR ’esophageal hiatus’:ti, ab OR ’esophagus hernia’:ti, ab OR ’esophagus hiatus hernia’:ti, ab OR ’hiatal esophageal hernia’:ti, ab OR ’hernia, hiatus’:ti, ab OR ’hiatal hernia’:ti, ab OR ’hiatal herniation’:ti, ab OR ’hiatus herniation’:ti, ab OR ’hiatus oesophagus hernia’:ti, ab OR ’oesophageal hiatal hernia’:ti, ab OR ’para-esophageal hernia’:ti, ab OR ’para-esophageal herniation’:ti, ab OR ’paraesophageal hernia’:ti, ab OR ’paraoesophageal hernia’:ti, ab) AND (‘stomach volvulus’/exp OR ’gastric torsion’:ti, ab OR ’gastric volvulus’:ti, ab OR ’stomach torsion’:ti, ab OR ’stomach volvulus’:ti, ab OR ’acute gastric volvulus’:ti, ab) AND (‘surgery’/exp OR ’techniques, surgical’:ti, ab OR ’operation’:ti, ab OR ’intervention operative’:ti, ab OR ’repair operative’:ti, ab OR ’surgery resection’:ti, ab OR ’correction surgical’:ti, ab OR ’resective surgery’:ti, ab OR ’surgery, operative’:ti, ab OR ’intervention surgical’:ti, ab OR ’management surgical’:ti, ab OR ’repair surgical’:ti, ab OR ’restoration surgical’:ti, ab OR ’therapy surgical’:ti, ab OR ’treatment surgery’:ti, ab)

WoS

(n = 83)

TS=(((“hernia* hiatal” OR “hiatal hernia*” OR “hernia* hiatus” OR “hiatus hernia*” OR “esophageal hernia*” OR “esophagus hiatus” OR “esophageal hiatus” OR “paraesophageal hernia*”) AND (“Stomach Volvulus” OR “Gastric Volvulus” OR “gastric torsion” OR “volvulus stomach” OR “stomach torsion” OR “Acute gastric volvulus”)) AND (“surgical procedures, operative” OR “surgical procedure*” OR “procedure* surgical” OR “operative procedure*” OR “procedure* operative” OR “surgery operative” OR “techniques surgical” OR “operation*” OR “repair operative” OR “surgery resection” OR “intervention surgical” OR “management surgical” OR “repair surgical” OR “therapy surgical” OR “treatment surgery”))

BVS-BIREME (n = 157)

Titulo, Resumen, Palabras Clave: ((“hernia, hiatal” OR “hernias hiatal” OR “hiatal hernia*” OR “hernia*, hiatus” OR “hiatus hernia” OR “Hérnia Hiatal” OR “Hernia de Hiato” OR “Hernia Esofágica” OR “Hernia Hiatal” OR “esophagus hiatus” OR “esophageal hiatus” OR “esophageal hernia*” OR “paraesophageal hernia*” OR “Hernia Paraesofágica”) AND (“Stomach Volvulus” OR “gastric torsion” OR “gastric volvulus” OR “stomach torsion” OR “stomach volvulus” OR “acute gastric volvulus” OR “Vólvulo Gástrico” OR “Vólvulo del Estómago” OR “Volvo Gástrico”)) AND (“surgical procedures, operative” OR “surgical procedure*” OR “procedure* surgical” OR “operative procedure*” OR “procedure* operative” OR “surgery operative” OR “techniques, surgical” OR “operation*” OR “intervention operative” OR “repair operative” OR “surgery resection” OR “correction surgical” OR “surgery, operative” OR “intervention surgical” OR “management surgical” OR “repair surgical” OR “restoration surgical” OR “therapy surgical” OR “treatment surgery” OR “Procedimientos Quirúrgicos Operativos” OR “Intervención Quirúrgica” OR “Intervenciones Quirúrgicas” OR “Operación Quirúrgica” OR “Operaciones Quirúrgicas” OR “Procedimientos Quirúrgicos” OR “Procedimentos Cirúrgicos Operatórios” OR “Intervenção Cirúrgica” OR “Intervenções Cirúrgicas” OR “Operação Cirúrgica” OR “Operações Cirúrgicas” OR “Procedimentos Cirúrgicos”)

SciELO

(n = 2)

((“hernia, hiatal” OR “hernias hiatal” OR “hiatal hernia*” OR “hernia*, hiatus” OR “hiatus hernia” OR “Hérnia Hiatal” OR “Hernia de Hiato” OR “Hernia Esofágica” OR “Hernia Hiatal” OR “esophagus hiatus” OR “esophageal hiatus” OR “esophageal hernia*” OR “paraesophageal hernia*” OR “Hernia Paraesofágica”) AND (“Stomach Volvulus” OR “gastric torsion” OR “gastric volvulus” OR “stomach torsion” OR “stomach volvulus” OR “acute gastric volvulus” OR “Vólvulo Gástrico” OR “Vólvulo del Estómago” OR “Volvo Gástrico”)) AND (“surgical procedures, operative” OR “surgical procedure*” OR “procedure* surgical” OR “operative procedure*” OR “procedure* operative” OR “surgery operative” OR “techniques, surgical” OR “operation*” OR “intervention operative” OR “repair operative” OR “surgery resection” OR “correction surgical” OR “surgery, operative” OR “intervention surgical” OR “management surgical” OR “repair surgical” OR “restoration surgical” OR “therapy surgical” OR “treatment surgery” OR “Procedimientos Quirúrgicos Operativos” OR “Intervención Quirúrgica” OR “Intervenciones Quirúrgicas” OR “Operación Quirúrgica” OR “Operaciones Quirúrgicas” OR “Procedimientos Quirúrgicos” OR “Procedimentos Cirúrgicos Operatórios” OR “Intervenção Cirúrgica” OR “Intervenções Cirúrgicas” OR “Operação Cirúrgica” OR “Operações Cirúrgicas” OR “Procedimentos Cirúrgicos”)